diff --git a/plone/app/discussion/tests/test_comments_viewlet.py b/plone/app/discussion/tests/test_comments_viewlet.py
index 1976be2..5632cc6 100644
--- a/plone/app/discussion/tests/test_comments_viewlet.py
+++ b/plone/app/discussion/tests/test_comments_viewlet.py
@@ -245,7 +245,11 @@ class TestCommentForm(unittest.TestCase):
         )
         # try to delete last comment without "Delete comments" permission
         setRoles(self.portal, TEST_USER_ID, ['Member'])
-        self.assertRaises(Unauthorized, comment.restrictedTraverse, "@@moderate-delete-comment")
+        self.assertRaises(
+            Unauthorized,
+            comment.restrictedTraverse,
+            "@@moderate-delete-comment"
+        )
         deleteView()
         self.assertEqual(1, len([x for x in conversation.getComments()]))
         # try to delete last comment with "Delete comments" permission
@@ -300,7 +304,11 @@ class TestCommentForm(unittest.TestCase):
         # try to delete last comment with johndoe
         setRoles(self.portal, 'johndoe', ['Member'])
         login(self.portal, 'johndoe')
-        self.assertRaises(Unauthorized, comment.restrictedTraverse, "@@delete-own-comment")
+        self.assertRaises(
+            Unauthorized,
+            comment.restrictedTraverse,
+            "@@delete-own-comment"
+        )
         self.assertEqual(1, len([x for x in conversation.getComments()]))
         # try to delete last comment with the same user that created it
         login(self.portal, TEST_USER_NAME)
diff --git a/plone/app/discussion/tests/test_contentrules.py b/plone/app/discussion/tests/test_contentrules.py
index 8d28bf0..edd5598 100644
--- a/plone/app/discussion/tests/test_contentrules.py
+++ b/plone/app/discussion/tests/test_contentrules.py
@@ -107,26 +107,41 @@ class ReplyContentRulesTest(unittest.TestCase):
         new_re_id = replies.addComment(re_comment)
 
     def testReplyIdStringSubstitution(self):
-        reply_id = getAdapter(self.document, IStringSubstitution,
-                              name=u"comment_id")
+        reply_id = getAdapter(
+            self.document,
+            IStringSubstitution,
+            name=u"comment_id"
+        )
         self.assertIsInstance(reply_id(), long)
 
     def testReplyTextStringSubstitution(self):
-        reply_text = getAdapter(self.document, IStringSubstitution,
-                                  name=u"comment_text")
+        reply_text = getAdapter(
+            self.document,
+            IStringSubstitution,
+            name=u"comment_text"
+        )
         self.assertEqual(reply_text(), u"This is a reply")
 
     def testReplyUserIdStringSubstitution(self):
-        reply_user_id = getAdapter(self.document, IStringSubstitution,
-                                   name=u"comment_user_id")
+        reply_user_id = getAdapter(
+            self.document,
+            IStringSubstitution,
+            name=u"comment_user_id"
+        )
         self.assertEqual(reply_user_id(), u"julia")
 
     def testReplyUserFullNameStringSubstitution(self):
-        reply_user_fullname = getAdapter(self.document, IStringSubstitution,
-                                           name=u"comment_user_fullname")
+        reply_user_fullname = getAdapter(
+            self.document,
+            IStringSubstitution,
+            name=u"comment_user_fullname"
+        )
         self.assertEqual(reply_user_fullname(), u"Juliana")
 
     def testReplyUserEmailStringSubstitution(self):
-        reply_user_email = getAdapter(self.document, IStringSubstitution,
-                                      name=u"comment_user_email")
+        reply_user_email = getAdapter(
+            self.document,
+            IStringSubstitution,
+            name=u"comment_user_email"
+        )
         self.assertEqual(reply_user_email(), u"julia@example.com")